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<h1 id="JMCOH-GUID-D934384D-A13D-46F7-9588-32AE6C901554" class="sect1">JVMs Discovered Over the Java Discovery Protocol</h1>
<div><p>The Java Discovery Protocol (JDP) enables the JVM Browser to list JVM instances on the network.</p>
<div class="section">To set JDP preferences:</div>
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<ol><li><span>Open the <span class="bold">Window</span> menu and select <span class="bold">Preferences</span>.</span></li>
<li><span>In the left pane, expand <span class="bold">JDK Mission Control</span>, then <span class="bold">JVM Browser</span>, and select <span class="bold">JDP</span>.</span></li>
<li><span>Enter an address for the multicast group to join.</span></li>
<li><span>Enter a port to listen to.</span></li>
<li><span>Enter a timeout for the JVM heart beat.</span></li>
<li><span>Click <span class="bold">Apply</span> to apply the changes.</span></li>
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<div class="section"><div class="infoboxnote" id="GUID-D934384D-A13D-46F7-9588-32AE6C901554__GUID-9677AFD7-B7C7-43FB-A9A0-D05376BBF581"><p class="notep1">Note:</p>You must restart JDK Mission Control for the changes to take effect.</div>
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